How did unadjusted polls impact on the politics of the 1990s?
ICM solves the great historical polling mystery. On Monday evening there was a vigorous debate on the site after I published an article on how a 3% lead in the ICM poll of October 1993 had been listed in Mori table of all polls as a 15% margin. Some people just did not believe it because the recall of many from that period was of mega Labour leads. This has become highly relevant today with many comparing the current Tory…